Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 200 ppm 150 ppm 100 ppm 50 ppm 200 ppm 150 ppm 100 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In 1000 kg of sewage, the total solids approximate 5 kg to 7.5 kg 0.5 to 1.0 kg 1 kg to 2.0 kg 7.5 kg to 10 kg 5 kg to 7.5 kg 0.5 to 1.0 kg 1 kg to 2.0 kg 7.5 kg to 10 kg ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The quantity of liquid waste which flows in sewers during the period of rainfall, is known Industrial waste Storm sewage Sanitary sewage None of these Industrial waste Storm sewage Sanitary sewage None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes at the junctions of sewer lines, are provided if Ordinary manhole cannot be built Two sewer lines intersect Invert level of a branch sewer is more than 60 cm that of the main sewer Sewer line runs along a main road Ordinary manhole cannot be built Two sewer lines intersect Invert level of a branch sewer is more than 60 cm that of the main sewer Sewer line runs along a main road ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Pathogens (or pathogenic bacterias) in water may cause Dysentery All listed here Cholera Typhoid Dysentery All listed here Cholera Typhoid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 2.5 3 1.5 2 2.5 3 1.5 2 ANSWER DOWNLOAD EXAMIANS APP